BQ24125RHLRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ24125RHLRG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge their batteries.

Characteristics

• High charging efficiency
• Compact size
• Low power consumption
• Advanced charging algorithms
• Thermal regulation for safe charging

Package

BQ24125RHLRG4 is available in a small outline package (SOP) with a thermal pad for effective heat dissipation.

Essence

The essence of BQ24125RHLRG4 lies in its ability to provide reliable and efficient charging solutions for various battery-powered devices.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Input voltage range: 4.35V to 6.45V
• Charging current range: 500mA to 2A
• Programmable charge termination current
• Programmable charge termination voltage
• Battery temperature monitoring
• Overvoltage protection
• Short-circuit protection
• Thermal regulation

Detailed Pin Configuration

1. VIN: Input voltage pin
2. GND: Ground pin
3. TS: Temperature sense pin
4. STAT: Status indication pin
5. CE: Charge enable pin
6. ISET: Charge current setting pin
7. BAT: Battery connection pin
8. VOUT: Output voltage pin

Functional Features

• Constant current and constant voltage charging modes
• Automatic detection of battery type and optimal charging parameters
• Dynamic power management for efficient energy utilization
• Charge status indication through the STAT pin
• Thermal regulation to prevent overheating during charging

Advantages and Disadvantages

Advantages

• High charging efficiency leads to faster charging times
• Compact size allows for integration into space-constrained devices
• Low power consumption reduces energy wastage
• Advanced charging algorithms optimize battery health and lifespan
• Thermal regulation ensures safe charging even under high ambient temperatures

Disadvantages

• Limited input voltage range may not be suitable for all applications
• Lack of certain advanced features found in higher-end charging ICs

Working Principles

BQ24125RHLRG4 operates based on a combination of constant current and constant voltage charging modes. It automatically detects the connected battery type and adjusts the charging parameters accordingly. The IC regulates the charging current and voltage to ensure efficient and safe charging, while monitoring the battery temperature to prevent overheating.

Detailed Application Field Plans

BQ24125RHLRG4 finds extensive application in various portable electronic devices, including smartphones, tablets, smartwatches, Bluetooth earphones, and other battery-powered wearables. Its compact size, high efficiency, and reliable performance make it an ideal choice for manufacturers aiming to provide fast and safe charging solutions for their products.

Detailed and Complete Alternative Models

1. BQ24125RHLT: Similar to BQ24125RHLRG4 but without the thermal pad.
2. BQ24125RHLR: Similar to BQ24125RHLRG4 with a different package option.
3. BQ24125RHLE: Enhanced version with additional features such as USB OTG support.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements and design constraints.

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